uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/development/tools/devtodo/default.nix

@@ -0,0 +1,23 @@
+{ lib, stdenv, fetchurl, readline, ncurses }:
+
+stdenv.mkDerivation rec {
+  pname = "devtodo";
+  version = "0.1.20";
+
+  src = fetchurl {
+    url = "https://swapoff.org/files/devtodo/${pname}-${version}.tar.gz";
+    sha256 = "029y173njydzlznxmdizrrz4wcky47vqhl87fsb7xjcz9726m71p";
+  };
+
+  buildInputs = [ readline ncurses ];
+
+  enableParallelBuilding = true;
+
+  meta = with lib; {
+    homepage = "https://swapoff.org/devtodo1.html";
+    description = "A hierarchical command-line task manager";
+    license = licenses.gpl2;
+    maintainers = [ maintainers.woffs ];
+    platforms = platforms.linux;
+  };
+}